Can you use some Sudoku Tips?
Here's a neat tutorial series that will help you master sudoku solving. It's called Sudoku Solving Techniques and contains 31 action packed sudoku solving - tips, tricks and techniques in video tutorial format!
Heres a Sudoku Game that gives you hints, with five levels each for Kids Sudoku and classic Sudoku. You can start with a 4×4 Kids Sudoku at ‘Retarded’ level, and work your way up to a regular 9×9 Sudoku at High level.